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         LOOSE PEACH TOURMALINE     NATURAL COLOR     Hardness 7.5 
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RETURN TO Peach Tourmaline
Tourmaline chemical composition is (Na, Li,Ca) (Fe2, Mg, Mn, Al)3 Al6 I(OH)4 I (BO3)3ISi6O18I .
Crystaline system: Trigonal.
Occurences: In the acid magmatic rocks and associated pegmatites, limestones and schists, placers.
Coloured tourmalines are related to sodolithic pegmatites.
One distinguishes two principal types of tourmalines: the hexagonal type and the triangular one.
6.12 cts. Natural Oval peach tourmaline single
  x Pieces: 1 Tourmaline x x Type: 100% Natural
  Color: Peach   Shape: Oval
  Weight: 6.12 Carats   Size: 13.8 x 10.5   mm
  Clarity: Eye clean.    Luster: Excellent
  Treatment: None (N)   Origin: Madagascar
Color tone: Medium   Refr. Index: 1.62-1.64   Hardness 7.5
The actual gemstone is smaller than the images shown. Depth: 6.7 mm.
Stone Price: SOLD


Oval Peach tourmaline gemstone, exclusive loose faceted tourmalines, Madagascar gemstones shopping  Peach tourmaline gem, exclusive loose faceted tourmalines, Madagascar gemstones shopping


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Hardness: 7 - 7.5
Specific Gravity: 3.0+   Visual Catalog
Refractive Index: 1.62 - 1.68 Tourmaline data
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide   Cutting Styles
Crystal Structure: Trigonal   Ask a question
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